Home / 8,982.12-13,464.64-3,137.16

Finding the Fourth Proportional to 8,982.12, 13,464.64 and 3,137.16

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Solution

The fourth proportional to 8,982.12, 13,464.64 and 3,137.16 is: 4,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.12 : 13,464.64 = 3,137.16 : x
  2. Step 2: Convert to fraction form
    8,982.12/13,464.64 = 3,137.16/x
  3. Step 3: Cross multiply
    8,982.12x = 13,464.64 × 3,137.16
  4. Step 4: Simplify right side
    8,982.12x = 42,240,730.02
  5. Step 5: Solve for x
    x = 42,240,730.02/8,982.12
  6. Step 6: Final answer
    x = 4,702.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.